trinixx18
trinixx18 trinixx18
  • 13-04-2018
  • Mathematics
contestada

To evaluate ∫ 3x2 cos (2x3 - 4) dx, it is necessary to let A. u = 6x. B. u = 6x2 C. u = 2x3 -4 D. u = 3x2

Respuesta :

surjithayer10otahza surjithayer10otahza
  • 13-04-2018
put 2x^3-4=u
2*3x^2 dx=du
3x^2 dx=1/2 du
∫ cos du=sin u+c
I=1/2∫cosu du=1/2 sin u+c
=1/2 sin (2x^3-4)+c
Answer Link

Otras preguntas

Simplify the expression 125 − 5x2 as much as possible after substituting 5 sin(θ) for x. (Assume 0° < θ < 90°.)
(6x+2.4):3 5/9 =2.25: 1/3
Holly made a number using these digits 4 8 5 the hundreds digit is greater than 4 Holly’s number is odd what number did holly make ?
What is the equation in point-slope form of a line that passes through the points (7, −8) and (−4, 6) ?
The narrators in both the golden cat and the cat and the moon see the cats in very different ways. What does the line below from the golden car tell us about th
What would be an example of the law of conservation of matter
which statement best describes the compounds of nucleic acids
What graph represents the correct solution for 3×+y=9
John is painting parallel lines in the parking lot to create parking spaces. The measure of angle A is 60°. What is the measure of angle B?
An example of a fixed cell is a/an